package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import SqlJavaBean.TeacherR;
import t.DBBean;

/**
 * Servlet implementation class showStudent
 */
@WebServlet("/showStudent.view")
public class showStudent extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public showStudent() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//response.getWriter().append("Served at: ").append(request.getContextPath());
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.setContentType("text/html;charset=utf-8");
		HttpSession s = request.getSession();
		Connection con = (Connection)s.getAttribute("con");
		if(con==null){
			
		}
		TeacherR tr = new TeacherR(con);
		String examName = request.getParameter("examName");
		if(examName=="" || examName==null) examName = (String)s.getAttribute("examName");
		else s.setAttribute("examName", examName);
		String stu = tr.SeeExamStu(examName);
		request.setAttribute("stu", stu);
		request.getRequestDispatcher("studentList.jsp").forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
